5) Prove the law of cosine C= B+A- 2|||| ce cos 0. %3D

Q: Evaluate sin 0 within AABC. 17 15 sin e Enter your next step here

A: We are given the following figure.                   The triangle ABC is a right angle triangle.…

Q: – 7 cos(2 + ) 15

A: We have to find the value of x if not exist then We have to write DNE

Q: 2 v sec 2 1+ cos 0°

A: We have to find the identity

Q: 21 · 8* cos (8*) dx =

A: ∫21*8xcos(8x)dxSubstitute u=8x→dudx=ln(8)*8x→dx=1ln(8)*8xdu=21ln(8)∫cos(u)du

Q: Verify the identity. (csc^2 θ − 1)sin^2 θ ≡ cos^2 θ

A: Given the identity (csc2 θ -1)sin2 θ=cos2 θ. We need to verify the identity.

Q: 4 cos 3

A:

Q: **#1.) In triangle JKL, mZK = 90° and tanl = Determine the value of cos). %3D

A:

Q: 25. Verify the identity. cos (-0) 1+sin (-0) sec 0 + tan 0

A: here is the proof

Q: b) cos(-z)=?

A: In the question we have to find the angle of cosine which is lying in third quadrant as cosine is…

Q: 1. . cos N = COS

A:

Q: 16. Scos cos 0 cos (sin 0) de

A:

Q: 1. Explain why sin(n+0) =-sin@ using a diagram and x, y, and r.

A: Solution of given problem is followed by

Q: A = %3D (b) If cos (2a) – sin (2æ) = cos( %3D B =

A:

Q: 3. [cos 6° + i sin 6°] 30 = COS + i sin %3D

A: follow next step

Q: 4. sin 20 + cos 0 = 0 on the interval [0, 27) *Hint: use Double Angle Formula

A: sin(2θ)+cos(θ)=0We know that ,…

Q: θ=−25π/6θ, then sin(θ) =    cos(θ) =

A:

Q: 5. cos A =- and sin B =, both A and B in QIl. 6. cos A = - and cos B = - 2, with A and B in QIII. 17

A:

Q: III. Verify the identity. 5.) 1-Cos 2x tan?x %3D 1+ cos 2x

A:

Q: 1. The formula sinusinv 5(cos (u - v) - cos (u + v)] converts a product of sines to a of

A: sinusinv=12cosu-v-cosu+v

Q: 1. Which is equal to cos ? cos O sin * O sin O Cos 품 27 COS

A: topic - trigonometric ratios

Q: Part 3 of 4 COS X d —CSC X + С dx To check for the result, prove that 1 - cos?x

A:

Q: A. Let tan u = 3 and cos u < 0, find the exact values 1.tan 2u 2. tan u/2 3. sin 15

A: Given: tanu=3 To find: tan2u tanu/2 sin15

Q: 7-8. Prove that cos(a + B) cos(a – B) = cos?a - sin?ß %3D |

A:

Q: Homework: de 1-cos 0 1. S-

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. cos(arctan(1)) =

A: cosarc cosx =x

Q: Find the point of intersection of cos(x)=cos^-1(x)

A: We will find the point of intersection using the graph.

Q: 4 cos(0) cos (sin(0)) do

A: To Evaluate ∫4cosθcos5sinθdθ

Q: 27 cos 0 de O 1 6.

A: Using definite integral.

Q: 5) Prove the law of cosine C= B+A- 2|Ã||B|co cos 0.

A:

Q: 7. Prove: cos(0 + 2) 7) = sine.

A:

Q: tan(0)² cos(0) d0

A:

Q: 3π b) sin 20 + cosθ = 0,0€ [0, ). 2

A: We have to find the value of they ha in given region

Q: a value of x that satisfies the equation sin 53° = cos (x %3D

A:

Q: Prove that sin? 0 + cosª 0 = sin“ 0 + cos² 0.

A: Using fundamental identity of trigonometry.

Q: sen? 2. a + COS cos a-1

A: We know that,   tanθ = 1/cotθ    sen2α  =  1 - cos2α

Q: Verify the identity. 1 - cos e 4)- 1 + cos e COS sec 0-1 sec e +1

A: From the given problem:   1-cosθ1+cosθ=secθ-1secθ+1   L.H.S.=1-cosθ1+cosθ   As we know that:…

Q: 8 1 + cos 3 Cos ( sin 5 17

A:

Q: (a-B) (at sin (a+B) 2- show that cosa – cosß = -2sin 2.

A:

Q: 3 cos(0) sin(0) + 2 cos(0) = 0

A:

Q: 2 Evaluate: [5 cos(5)x – 5 csc² (x) ] dx COS

A:

Q: 8(x)=cos x,[0,2=]

A:

Q: sin 0(3sin? 0+ 4cos? 0) = 3 cos 0 + cos³ 0 4. Prove that tan 0

A:

Q: Cim sin(4)it in(2411);+ Cos)K Cos(4)k

A: This question can be solved by applying the formulas of limit on first term and by directly applying…

Q: 2 cos (70) cos 0

A: The objective is to solve the above question.

Q: 0 (cos+isin)"

A: We have to find the Z-transform of cosθ+isinθn Remember Damping Rule : If Zf(n)=F(z) then…

Q: Find the value of cos-1(2) using Euler's formula.

A: We find cos-1(2) , by using Euler's formula.

Q: Find point of intersection of the graph r = 1 + cosθ and r = 1 - cosθ

A:

Q: 1 Cos(2) COS is equal 2]

A:

Q: /21 find the value of 5 3 - tan 0. cos 0 :15. Given that cos 0 =

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.